*{
    margin: 0px;
    padding: 0px;
}
ul{
    list-style: none;
}
a{
    text-decoration: none;
}
/*1.页头*/
header{
    background-color: #F6F6F6;
}
header>div{
    /*定宽居中*/
    width: 1000px;
    margin: 0px auto;
}
header #hot-tel{
    float: right;
    margin-top: 15px;
}

/*2.导航条选项*/
nav{
    background-color: red;
    /*通过给父元素设置高度，来清除浮动*/
    height: 40px;
    line-height: 40px;
}
nav #nav-list{
    /*定宽居中*/
    width: 1000px;
    margin: 0px auto;
}
#nav-list>ul>li{
    float: left;
    /*margin: 0px 15px;*/
}

#nav-list>ul>li>a{
    color: white;
    padding: 11px 15px;
}
#nav-list ul a:hover{
    background-color: white;
    color: black;
    /*padding: 11px 10px;*/
}

/*3.横幅*/
#banner{
    line-height: 0px;
}

/*4.主要内容*/
main{
    background-color: #F6F6F6;
}
#content-wrapper{
    /*定宽居中*/
    width: 1000px;
    margin: 0px auto;

    height: 1000px;
    background-color: pink;
}
/*主要内容，分为上下两大区域*/


/*上半部分，主要分为左右两个区域*/
#pro-wrapper #pro-list{
    float: left;
}
#pro-wrapper #pro{
    float: right;
}
/*清除浮动*/
.clear::after{
    content: ' ';
    display: block;
    height: 0px;
    visibility: hidden;
    clear: both;
}

/*产品列表导航*/
#pro-list-nav ul{
    padding-right: 40px;
}
#pro-list-nav ul li{
    line-height: 40px;
    text-align: right;
    color: #636363;
}
#pro-list-nav ul li a{
    color: #636363;
}

/*联系我们*/
.lm_bg{
    background-image: url(images/lm_bg.jpg);
    margin: 10px 0px;
    line-height: 40px;
    padding-left: 40px;
    font-size: 19px;
}

#contact address{
    font-size: 16px;
    font-style: normal;
    margin-top: 20px;
    padding-left: 20px;
}
#contact address h3{
    font-weight: normal;
    font-size: 15px;
}
#contact address p{
    line-height: 30px;
}